Racket middle tube

Abstract

The utility model provides a racket middle tube which comprises a middle tube body and a plug body arranged outside the middle tube body and used for positioning the middle tube body. The positioning assembly is arranged in the middle pipe body and comprises a connecting plate installed on the inner wall of the middle pipe body, a square sliding opening is formed in the upper surface of the connecting plate, a square sliding rod is slidably connected to the inner wall of the square sliding opening, and a positioning structure is arranged at the top of the square sliding rod; according to the racket middle tube, the plug body and the middle tube body can be connected through the threaded hole and the threaded part at the top of the middle tube body, the tension spring can pull the connecting column and the square sliding rod to move upwards through the tension of the tension spring, and then the square sliding rod pushes the sliding column to move upwards; and the sliding column pushes the positioning rod to be inserted into the positioning hole to position the middle pipe body, so that the middle pipe body is prevented from rotating during use, and the phenomenon that the middle pipe body is separated from the plug body is effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to badminton racket technical field especially, relate to a racket middle tube. BACKGROUND

[0002] Badminton racket generally by the head, the racket, the handle and the joint of the frame and the racket rod constitute. The length of a racket is not more than 68 centimeters, wherein the racket handle and the racket rod length is not more than 42 centimeters, the frame length is not more than 25 centimeters, and the width is 20 centimeters, along with the development of science and technology, the development of racket is towards the direction of lighter and lighter, frame is more and more hard, racket rod elasticity is better and better, air resistance is smaller, wherein the racket middle tube is an essential part of badminton racket.

[0003] Reference patent document publication number CN220757922U a badminton racket plug head body and middle tube, the plug head body is plastic material, including top and lower part, the inner wall of one end of the middle tube is provided with internal thread, the outer diameter of the lower part of the plug head body is greater than the inner diameter of the internal thread of the inner wall of the middle tube, so that when the lower part of the badminton racket plug head body rotates into along the internal thread of the middle tube, the external thread that is closely matched with the internal thread of the middle tube is formed on the surface of the lower part of the badminton racket plug head body;The top of the plug head body is used for inserting the both ends of the frame preform. The utility model has the advantages that: the ability of the middle tube along the frame preform rotating adjustment can be retained, so that the stiffness mark of the middle tube is through rotating in the front of the frame;The plastic plug head body is matched with the middle tube in the form of screwing in, the sealing property between the lower part of the plug head body and the internal thread is good, there is no softening problem caused by high-temperature curing process in subsequent process when the plug head body is glued, when the stiffness of the middle tube is not suitable, the middle tube can be separated from the plug head body by reverse rotation, so that the middle tube is replaced,

[0004] The above scheme can replace the middle tube during use, but there are still some deficiencies in the actual use process, for example, the middle tube is easy to rotate due to the force received during use, which causes the middle tube to be easily separated from the plug head body. Therefore, a racket middle tube is proposed. UTILITY MODEL CONTENTS

[0005] The utility model provides a racket middle tube to solve the technical problems in the above background art.

[0006] The purpose and effect of the utility model are achieved by the following technical means: a racket middle tube, including a middle tube body, comprising: a plug head body, arranged on the outside of the middle tube body, used for positioning the middle tube body; a positioning assembly, arranged inside the middle tube body, including a connecting plate mounted on the inner wall of the middle tube body, a square sliding port is formed on the upper surface of the connecting plate, a square sliding rod is slidably connected to the inner wall of the square sliding port, and a positioning structure is arranged on the top of the square sliding rod.

[0007] Preferably, the outer surface of the middle tube body is provided with a threaded portion.

[0008] Preferably, the bottom surface of the plug body is fixedly connected with a connecting block, the bottom surface of the connecting block is provided with a threaded hole, the top end of the middle tube body extends into the interior of the threaded hole, and the threaded portion is threadedly connected with the threaded hole.

[0009] Preferably, the positioning structure of the positioning assembly comprises a sliding column mounted on the upper surface of the square slide rod, the top end of the sliding column is fixedly connected with two groups of positioning rods, and the inner top wall of the threaded hole is provided with two groups of positioning holes.

[0010] Preferably, the bottom end of the square slide rod is fixedly connected with a connecting column, the outer surface of the square slide rod is sleeved with a tension spring, the bottom end of the tension spring is fixedly connected with the upper surface of the connecting column, and the top end of the tension spring is fixedly connected with the bottom end of the connecting plate.

[0011] Preferably, the bottom end of the connecting column is fixedly connected with a pull rope, and the outer surface of the connecting column is slidably connected with the inner wall of the middle tube body.

[0012] Preferably, the bottom end of the pull rope is fixedly connected with a pull block, and the pull block is located in the interior of the middle tube body.

[0013] Preferably, the outer surface of the pull rope is sleeved with a limiting block ring, and the outer surface of the limiting block ring is fixedly connected with the inner wall of the middle tube body.

[0014] Beneficial effects:

[0015] 1. The threaded hole and the threaded portion at the top of the middle tube body can be used for connecting the plug body and the middle tube body, the tension of the tension spring can be used for driving the connecting column and the square slide rod to move upwards, the square slide rod can be used for driving the sliding column to move upwards, the sliding column can be used for driving the positioning rods to be inserted into the interior of the positioning holes, the middle tube body can be positioned, the middle tube body can be prevented from rotating during use, and the phenomenon that the middle tube body is separated from the plug body can be effectively prevented.

[0016] 2. The limiting block ring can be used for limiting the pull block, a worker can conveniently pull the pull rope to control the connecting column, the square slide rod can be used for driving the sliding column and the positioning rods to move, the positioning rods can be moved out of the positioning holes, the positioning of the middle tube body is released, the middle tube body can be conveniently disassembled and replaced, and the worker can conveniently operate the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model.

[0018] Figure 2 It is a sectional view of the utility model.

[0019] Figure 3 It is a structural schematic view of the positioning assembly of the utility model.

[0020] Figure 4 It is the utility model Figure 2 The structure enlarged view of A in the middle.

[0021] Figures 1-4 In the middle, the correspondence between the component name and the figure number is:

[0022] 1, the middle tube body; 101, threaded part; 2, plug body; 201, connecting block; 202, threaded hole; 3, positioning assembly; 301, connecting plate; 302, square sliding port; 303, square sliding rod; 304, slide column; 305, positioning rod; 306, connecting column; 307, positioning hole; 308, tension spring; 309, pull rope; 310, pull block; 311, limit stop ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] First embodiment

[0025] As shown in the accompanying Figure 1 to the accompanying Figure 4 : including the middle tube body 1, including: plug body 2, arranged on the outside of the middle tube body 1, for positioning the middle tube body 1; positioning assembly 3, arranged in the inside of the middle tube body 1, including the connecting plate 301 installed on the inner wall of the middle tube body 1, the upper surface of the connecting plate 301 is provided with square sliding port 302, the inner wall of square sliding port 302 is slidably connected with square sliding rod 303, and the top of square sliding rod 303 is provided with positioning structure.

[0026] As shown in the accompanying Figure 1 , Figure 2 and Figure 4 , in order to facilitate the connection of the middle tube body 1 and the plug body 2, the outer surface of the middle tube body 1 is provided with threaded part 101, and the threaded part 101 can be conveniently connected with the plug body 2.

[0027] As shown in the accompanying Figure 2 , Figure 3 and Figure 4As shown in the figure, in order to position the centering pipe body 1, the positioning structure of the positioning assembly 3 comprises a slide column 304 mounted on the upper surface of the square slide rod 303, the top end of the slide column 304 is fixedly connected with two groups of positioning rods 305, the inner top wall of the threaded hole 202 is provided with two groups of positioning holes 307, and the positioning rods 305 and the positioning holes 307 can facilitate the positioning of the centering pipe body 1, prevent the centering pipe body 1 from rotating after being connected, and further prevent the centering pipe body 1 from being separated from the plug body 2.

[0028] As shown in the figure, Figure 2 and Figure 3 in order to facilitate the positioning rod 305 to enter the inside of the positioning hole 307, the bottom end of the square slide rod 303 is fixedly connected with a connecting column 306, the outer surface of the square slide rod 303 is sleeved with a tension spring 308, the bottom end of the tension spring 308 is fixedly connected with the upper surface of the connecting column 306, and the top end of the tension spring 308 is fixedly connected with the bottom end of the connecting plate 301. The connecting column 306 can be provided with a tension spring 308 to exert a pulling force on the connecting column 306, so that the connecting column 306 pushes the square slide rod 303 and the slide column 304 to move upward, and further pushes the positioning rod 305 to move upward.

[0029] As shown in the figure, Figure 2 and Figure 3 in order to facilitate the control of the centering pipe body 1, the bottom end of the connecting column 306 is fixedly connected with a pull rope 309, and the outer surface of the connecting column 306 is slidingly connected with the inner wall of the centering pipe body 1. The pull rope 309 can be provided to pull the connecting column 306, so that the connecting column 306 drives the square slide rod 303 and the slide column 304 to move upward, and the positioning rod 305 moves out of the positioning hole 307, so that the positioning of the centering pipe body 1 can be released, and the centering pipe body 1 can be conveniently rotated.

[0030] As shown in the figure, Figure 2 and Figure 3 in order to facilitate the pulling of the pull rope 309, the bottom end of the pull rope 309 is fixedly connected with a pulling block 310, and the pulling block 310 is located in the inside of the centering pipe body 1. The pulling block 310 can be provided to facilitate the pulling of the pull rope 309 by the worker, and further prevent the phenomenon of hand slipping from occurring when the pull rope 309 is pulled.

[0031] As shown in the figure, Figure 2 and Figure 3 in order to prevent the pulling block 310 from entering the inside of the centering pipe body 1, the outer surface of the pull rope 309 is sleeved with a limiting block ring 311, and the outer surface of the limiting block ring 311 is fixedly connected with the inner wall of the centering pipe body 1. The limiting block ring 311 can be provided to limit the pulling block 310, so that the pulling block 310 is located at the bottom of the centering pipe body 1, and the worker can conveniently pull.

[0032] Second embodiment

[0033] As shown in the figure,Figure 1 、 Figure 2 and Figure 4 As shown in the figure, the bottom surface of the plug body 2 is fixedly connected with a connecting block 201, the bottom surface of the connecting block 201 is provided with a threaded hole 202, the top end of the middle pipe body 1 extends to the inside of the threaded hole 202, the threaded part 101 is threadedly connected with the threaded hole 202, and through the threaded connection of the threaded hole 202 and the threaded part 101, the middle pipe body 1 can be conveniently disassembled and assembled.

[0034] Working principle: when in use, the pull block 310 is pulled downward, the pull rope 309 pulls the connecting column 306 to move downward, the square slide rod 303 drives the slide column 304 to move downward, the slide column 304 drives the positioning rod 305 to move out of the positioning hole 307, the positioning of the middle pipe body 1 is released, then the middle pipe body 1 is rotated, the threaded part 101 of the middle pipe body 1 is threadedly connected with the threaded hole 202, the middle pipe body 1 can move out of the plug body 2, so that the worker can conveniently disassemble and replace the middle pipe body 1, and the middle pipe body 1 can be kept in the limiting state under the action of the positioning hole 307 and the positioning rod 305, so that the separation of the pipe body 1 and the plug body 2 does not occur in the process of use.

Claims

1. A racket mid tube comprising a mid tube body (1), characterized in that: Include: Plug body (2) is arranged in the outside of the middle pipe body (1), used for positioning the middle pipe body (1); Positioning assembly (3) is arranged in the inside of the middle pipe body (1), including the connecting plate (301) installed in the inner wall of the middle pipe body (1), the upper surface of the connecting plate (301) is provided with square sliding port (302), the inner wall of the square sliding port (302) is slidably connected with square sliding rod (303), the top of the square sliding rod (303) is provided with positioning structure.

2. A tube-in-racket according to claim 1, characterized in that: The outer surface of the middle pipe body (1) is provided with threaded portion (101).

3. A tube in racket according to claim 2, characterized in that: The bottom surface of the plug body (2) is fixedly connected with connecting block (201), the bottom surface of the connecting block (201) is provided with threaded hole (202), the top end of the middle pipe body (1) extends to the inside of threaded hole (202), the threaded portion (101) is threadedly connected with threaded hole (202).

4. A tube in racket according to claim 3, characterized in that: The positioning structure of the positioning assembly (3) includes the slide column (304) installed on the upper surface of the square sliding rod (303), the top end of the slide column (304) is fixedly connected with two groups of positioning rod (305), the inner top wall of the threaded hole (202) is provided with two groups of positioning hole (307).

5. A tube-in-racket according to claim 1, characterized in that: The bottom end of the square sliding rod (303) is fixedly connected with connecting column (306), the outer surface of the square sliding rod (303) is sleeved with tension spring (308), the bottom end of the tension spring (308) is fixedly connected with the upper surface of connecting column (306), the top end of the tension spring (308) is fixedly connected with the bottom end of connecting plate (301).

6. A tube in racket according to claim 5, characterized in that: The bottom end of the connecting column (306) is fixedly connected with pull rope (309), the outer surface of the connecting column (306) is slidably connected with the inner wall of the middle pipe body (1).

7. A tube in racket according to claim 6, characterized in that: The bottom end of the pull rope (309) is fixedly connected with pull block (310), the pull block (310) is located in the inside of the middle pipe body (1).

8. A tube-in-racket according to claim 6, characterized in that: The outer surface of the pull rope (309) is sleeved with limit stop ring (311), the outer surface of the limit stop ring (311) is fixedly connected with the inner wall of the middle pipe body (1).

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